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Related papers: Multifractality of Cloud Base Height Profiles

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We present a new algorithm for detecting filamentary structure FilFinder. The algorithm uses the techniques of mathematical morphology for filament identification, presenting a complementary approach to current algorithms which use matched…

Astrophysics of Galaxies · Physics 2015-07-10 Eric W. Koch , Erik W. Rosolowsky

We investigate multifractal regularity for infinite conformal iterated function systems (cIFS). That is we determine to what extent the multifractal spectrum depends continuously on the cIFS and its thermodynamic potential. For this we…

Dynamical Systems · Mathematics 2014-06-16 Johannes Jaerisch , Marc Kesseböhmer

This paper presents an experimental and theoretical study of the nonlinear behavior of imperfect interfaces in multilayer structures using an equivalent vibro-acoustic approach. The multilayer system is modeled through a Zig-Zag…

Applied Physics · Physics 2026-04-06 Antoine Demiquel , Kerem Ege , Emmanuel Gourdon

The neutral hydrogen structure of high-velocity cloud A0 (at about -180 km/s) has been mapped with a 9.1 arcmin resolution. Gaussian decomposition of the profiles is used to separately map families of components defined by similarities in…

Astrophysics of Galaxies · Physics 2015-06-15 Gerrit L. Verschuur

We consider critical curves -- conformally invariant curves that appear at critical points of two-dimensional statistical mechanical systems. We show how to describe these curves in terms of the Coulomb gas formalism of conformal field…

Statistical Mechanics · Physics 2007-05-23 I. Rushkin , E. Bettelheim , I. A. Gruzberg , P. Wiegmann

Small-scale intermittency is a defining feature of fully developed fluid turbulence, marked by rare and extreme fluctuations of velocity increments and gradients that defy mean-field descriptions. Existing multifractal descriptions of…

Fluid Dynamics · Physics 2026-01-21 Dhawal Buaria

Emission line ratios have been essential for determining physical parameters such as gas temperature and density in astrophysical gaseous nebulae. With the advent of panoramic spectroscopic devices, images of regions with emission lines…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 J. E. Steiner , R. B. Menezes , T. V. Ricci , A. S. Oliveira

This paper discusses the various models related to cloud computing. Knowing the metrics related to infrastructure is very critical to enhance the performance of cloud services. Various metrics related to clouds such as pageview response…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-05-04 Chaitanya Krishna Kande

The refractive index fluctuations in the connective tissue layer (stroma) of human cervical tissues having different grades of precancers (dysplasia) was quantified using a wavelet-based multifractal detrended fluctuation analysis model.…

Precise analyses of the statistical and scaling properties of galaxy distribution are essential to elucidate the large-scale structure of the universe. Given the ongoing debate on its statistical features, the development of statistical…

Astrophysics · Physics 2007-05-23 M. Bottaccio , M. Montuori , L. Pietronero

A random field composed by Poisson distributed Brownian vortex filaments is constructed. The filament have a random thickness, length and intensity, governed by a measure $\gamma$. Under appropriate assumptions on $\gamma$ we compute the…

Probability · Mathematics 2007-05-23 Franco Flandoli , Massimiliano Gubinelli

The homogeneity of filter media is important for material selection and quality control, along with the specific weight (nominal grammage) and the distribution of the local weight. Cloudiness or formation is a concept used to describe…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Michael Godehardt , Ali Moghiseh , Christine Oetjen , Joachim Ohser , Simon Ringger , Katja Schladitz , Ingo Windschiegel

Global and local regularities of functions are analyzed in anisotropic function spaces, under a common framework, that of hyperbolic wavelet bases. Local and directional regularity features are characterized by means of global quantities…

Functional Analysis · Mathematics 2012-10-09 Patrice Abry , Marianne Clausel , Stéphane Jaffard , Stéphane Roux , Béatrice Vedel

Fractal dimensions of eigenfunctions for various critical random matrix ensembles are investigated in perturbation series in the regimes of strong and weak multifractality. In both regimes we obtain expressions similar to those of the…

Chaotic Dynamics · Physics 2011-09-26 E. Bogomolny , O. Giraud

We introduce a novel technique using closure amplitudes, inspired by radio interferometry, to determine with high angular resolution the two-dimensional profile of a light beam using an interferogram from a non-redundantly masked aperture.…

Cloud availability is a major performance parameter for cloud platforms, but there are very few measurements on commercial platforms, and most of them rely on outage reports as appeared on specialized sites, providers' dashboards, or the…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-08-05 Maurizio Naldi

Geometrical model of structure of the universe is examined to obtain analytical expression for the two points nonlinear correlation function. According to the model the objects (galaxies) are concentrated into two types of structure…

Astrophysics · Physics 2007-05-23 O. Buryak , A. Doroshkevich

In this work, a numerical modal decomposition approach is applied to model the optical field of laser light after propagating through a highly multi-mode fiber. The algorithm for the decomposition is based on the reconstruction of measured…

Optics · Physics 2020-10-20 Hao Pang , Tobias Haecker , Alexandre Bense , Tobias Haist , Daniel Flamm

We develop a multiscale patch scheme for studying the system level characteristics of heterogeneous functional graded beams. The algorithm computes the detailed beam dynamics on the microscale, but only in small patches of the beam domain,…

Dynamical Systems · Mathematics 2024-07-17 Thien Tran-Duc , J. E. Bunder , A. J. Roberts

We describe a subluminal laser which is extremely stable against perturbations. It makes use of a composite gain spectrum consisting of a broad background along with a narrow peak. The stability of the laser, defined as the change in…